﻿using System;
using System.Linq;
using System.Collections.Generic;
using System.Globalization;
using System.Windows.Data;
using Caliburn.Micro;
using SS.WPF.Framework.Localization;
using SS.WPF.Framework.ViewModel.Navigation;

namespace TestFramework.Converters
{
    public class PathConverter : IValueConverter
    {
        #region Implementation of IValueConverter

        /// <summary>
        /// Converts a value. 
        /// </summary>
        /// <returns>
        /// A converted value. If the method returns null, the valid null value is used.
        /// </returns>
        /// <param name="value">The value produced by the binding source.</param><param name="targetType">The type of the binding target property.</param><param name="parameter">The converter parameter to use.</param><param name="culture">The culture to use in the converter.</param>
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            var enums = value as IEnumerable<object>;
            if (enums != null)
            {

                var array = enums.Select(x =>
                {
                    if (x is INavigationNode)
                    {
                        return IoC.Get<TranslationManager>().Translate(((INavigationNode)x).DisplayName);
                    }

                    return x.ToString();
                }).ToArray();
                return string.Join(" > ", array);
            }

            return null;
        }

        /// <summary>
        /// Converts a value. 
        /// </summary>
        /// <returns>
        /// A converted value. If the method returns null, the valid null value is used.
        /// </returns>
        /// <param name="value">The value that is produced by the binding target.</param><param name="targetType">The type to convert to.</param><param name="parameter">The converter parameter to use.</param><param name="culture">The culture to use in the converter.</param>
        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            throw new NotImplementedException();
        }

        #endregion
    }
}
